DK0765725T3 - Process for injection molding with polyethylene terephthalate - Google Patents

Process for injection molding with polyethylene terephthalate

Info

Publication number
DK0765725T3
DK0765725T3 DK96115407T DK96115407T DK0765725T3 DK 0765725 T3 DK0765725 T3 DK 0765725T3 DK 96115407 T DK96115407 T DK 96115407T DK 96115407 T DK96115407 T DK 96115407T DK 0765725 T3 DK0765725 T3 DK 0765725T3
Authority
DK
Denmark
Prior art keywords
injection molding
polyethylene terephthalate
terephthalate
polyethylene
molding
Prior art date
Application number
DK96115407T
Other languages
Danish (da)
Inventor
Hideaki Koda
Hisashi Nakajima
Original Assignee
A K Tech Lab Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A K Tech Lab Inc filed Critical A K Tech Lab Inc
Application granted granted Critical
Publication of DK0765725T3 publication Critical patent/DK0765725T3/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58Details
    • B29C45/60Screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58Details
    • B29C45/63Venting or degassing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58Details
    • B29C45/60Screws
    • B29C2045/605Screws comprising a zone or shape enhancing the degassing of the plastic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/072Preforms or parisons characterised by their configuration having variable wall thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/073Preforms or parisons characterised by their configuration having variable diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/073Preforms or parisons characterised by their configuration having variable diameter
    • B29C2949/0733Preforms or parisons characterised by their configuration having variable diameter at body portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/076Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B29C2949/0771Wide-mouth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/081Specified dimensions, e.g. values or ranges
    • B29C2949/0811Wall thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/081Specified dimensions, e.g. values or ranges
    • B29C2949/082Diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/081Specified dimensions, e.g. values or ranges
    • B29C2949/082Diameter
    • B29C2949/0821Diameter of the lip, i.e. the very top of the preform neck
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/081Specified dimensions, e.g. values or ranges
    • B29C2949/082Diameter
    • B29C2949/0826Diameter of the body
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/081Specified dimensions, e.g. values or ranges
    • B29C2949/082Diameter
    • B29C2949/0827Diameter of the bottom
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/081Specified dimensions, e.g. values or ranges
    • B29C2949/0829Height, length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/081Specified dimensions, e.g. values or ranges
    • B29C2949/0829Height, length
    • B29C2949/0831Height, length of the neck
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/0861Other specified values, e.g. values or ranges
    • B29C2949/0872Weight
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/20Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/22Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/20Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/24Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/20Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/26Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/20Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
    • B29C2949/28Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/30Preforms or parisons made of several components
    • B29C2949/3024Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00Use of polyesters or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25Solid
    • B29K2105/253Preform

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DK96115407T 1995-09-29 1996-09-25 Process for injection molding with polyethylene terephthalate DK0765725T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27677395A JPH0994824A (en) 1995-09-29 1995-09-29 Injection molding method for polyethylene terephthalate

Publications (1)

Publication Number Publication Date
DK0765725T3 true DK0765725T3 (en) 2000-06-13

Family

ID=17574161

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96115407T DK0765725T3 (en) 1995-09-29 1996-09-25 Process for injection molding with polyethylene terephthalate

Country Status (18)

Country Link
EP (1) EP0765725B1 (en)
JP (1) JPH0994824A (en)
CN (1) CN1156660A (en)
AR (1) AR003745A1 (en)
AT (1) ATE187674T1 (en)
AU (1) AU705089B2 (en)
BR (1) BR9604326A (en)
CA (1) CA2186441A1 (en)
DE (1) DE69605628T2 (en)
DK (1) DK0765725T3 (en)
EA (1) EA000078B1 (en)
ES (1) ES2142531T3 (en)
IL (1) IL119312A (en)
MY (1) MY114032A (en)
NZ (1) NZ299458A (en)
SG (1) SG90698A1 (en)
TW (1) TW360587B (en)
ZA (1) ZA968159B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69919088T2 (en) * 1998-01-27 2005-08-11 Teijin Ltd. Process for the preparation of an aromatic polyester preform
DE10012532A1 (en) * 2000-03-15 2001-09-27 Remaplan Anlagenbau Gmbh Transfer molding of recycled plastic mixtures containing thermoplastic polyesters and modifiers comprises heating and drying polyesters, adding modifiers to product in plasticising unit and injecting molten mixture into mold
US20090213682A1 (en) * 2008-02-21 2009-08-27 Husky Injection Molding Systems Ltd. Method of Decreasing Acetaldehyde Level in a Molded Article
JP6507108B2 (en) * 2015-04-27 2019-04-24 株式会社山本製作所 Vent type injection molding apparatus and injection molding method
JP6302449B2 (en) * 2015-10-30 2018-03-28 株式会社山本製作所 Bent type injection molding apparatus and injection molding method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638840C2 (en) * 1975-08-30 1983-12-22 Chang Shao Shizuoka Chi Process for the manufacture of products from polyethylene terephthalate
GB8631014D0 (en) * 1986-12-30 1987-02-04 Monsanto Europe Sa Hollow containers
JP3289991B2 (en) * 1993-04-30 2002-06-10 株式会社青木固研究所 Molding method of preform and hollow molded article using amorphous or recycled polyethylene terephthalate
IL109386A (en) * 1993-04-30 1996-10-31 A K Tech Lab Inc Method for injection molding polyethylene terephthalate
JP2673491B2 (en) * 1994-03-07 1997-11-05 日精樹脂工業株式会社 Amorphous molding material supply method

Also Published As

Publication number Publication date
EA000078B1 (en) 1998-06-25
AU6589896A (en) 1997-04-10
SG90698A1 (en) 2002-08-20
DE69605628T2 (en) 2000-05-31
EP0765725A2 (en) 1997-04-02
ES2142531T3 (en) 2000-04-16
ZA968159B (en) 1997-05-02
DE69605628D1 (en) 2000-01-20
NZ299458A (en) 1997-08-22
JPH0994824A (en) 1997-04-08
EA199600076A1 (en) 1997-06-30
AU705089B2 (en) 1999-05-13
CN1156660A (en) 1997-08-13
BR9604326A (en) 1998-06-16
AR003745A1 (en) 1998-09-09
CA2186441A1 (en) 1997-03-30
MY114032A (en) 2002-07-31
IL119312A0 (en) 1996-12-05
TW360587B (en) 1999-06-11
ATE187674T1 (en) 2000-01-15
EP0765725A3 (en) 1998-04-29
EP0765725B1 (en) 1999-12-15
MX9604383A (en) 1997-09-30
IL119312A (en) 2001-03-19

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